Q: Is 261,568,240 a Composite Number?

Why is 261,568,240 a composite number?

A composite number is a number that can be divided evenly by more numbers than 1 and itself. It is the opposite of a prime number.

The number 261,568,240 can be evenly divided by 1 2 4 5 8 10 16 20 40 59 80 118 151 236 295 302 367 472 590 604 734 755 944 1,180 1,208 1,468 1,510 1,835 2,360 2,416 2,936 3,020 3,670 4,720 5,872 6,040 7,340 8,909 12,080 14,680 17,818 21,653 29,360 35,636 43,306 44,545 55,417 71,272 86,612 89,090 108,265 110,834 142,544 173,224 178,180 216,530 221,668 277,085 346,448 356,360 433,060 443,336 554,170 712,720 866,120 886,672 1,108,340 1,732,240 2,216,680 3,269,603 4,433,360 6,539,206 13,078,412 16,348,015 26,156,824 32,696,030 52,313,648 65,392,060 130,784,120 and 261,568,240, with no remainder.

Since 261,568,240 cannot be divided by just 1 and 261,568,240, it is a composite number.

More Examples

• All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).